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This public system aims to make a balance among the tramps, citizens and the city. At day, it provides
recreational facilities for the citizens. At night,it becomes a haven for the tramps.
The garbage cans convey the signal to the lamps when the tramps throw garbage into it. After that, the
lamp converts solar energy into electric energy, getting the bench warm to make the tramps comfortable.
Meanwhile, the citzens can also help to accumulate energy for the bench by throwing gabage.
Guangdong University of Technology